A new species and new records of Sericini chafers from the Lower Gangetic Plains in India (Coleoptera: Scarabaeidae: Sericinae) Author Bhunia, Debika 0000-0002-4129-2148 Entomology Laboratory, Department of Zoology, University of Kalyani, Kalyani - 741235, West Bengal, India sksarkarzoo 18 @ klyuniv. ac. in; https: // orcid. org / 0000 - 0002 - 4129 - 2148 sksarkarzoo18@klyuniv.ac.in Author Gupta, Devanshu Author Sarkar, Subhankar Kumar 0000-0002-4129-2148 Entomology Laboratory, Department of Zoology, University of Kalyani, Kalyani - 741235, West Bengal, India sksarkarzoo 18 @ klyuniv. ac. in; https: // orcid. org / 0000 - 0002 - 4129 - 2148 sksarkarzoo18@klyuniv.ac.in Author Ahrens, Dirk 0000-0003-3524-7153 Museum A. Koenig, Leibniz Institute for the Analysis of Biodiversity Change (LIB), Adenauerallee 127, 53113 Bonn, Germany ahrens. dirk _ col @ gmx. de; https: // orcid. org / 0000 - 0003 - 3524 - 7153 ahrens.dirk_col@gmx.de text Zootaxa 2023 2023-10-11 5353 4 351 371 http://dx.doi.org/10.11646/zootaxa.5353.4.3 journal article 10.11646/zootaxa.5353.4.3 1175-5326 8430714 1C2559D4-36EC-4F3D-950B-FA5A5FFC96BC Neoserica quadrilamellata ( Brenske, 1896 ) ( Figs 90–93 , 101 ) Serica quadrilamellata Brenske, 1896: 154 . Neoserica quadrilamellata : Brenske 1898: 253 . Meriserica chilkensis Arrow, 1923: 260 , synonymized by Ahrens & Fabrizi 2016: 116 . Material examined. 2 ♁♁ “ India : Bihar , West Champaran , 04.x.2016 , leg. R. S. Mridha ” ( NZCI ) . Distribution. India : Bihar , Delhi , Karnataka , Madhya Pradesh , Odisha and Tamil Nadu ( Ahrens & Fabrizi 2016 ; Sreedevi et al. 2018 ; Chandra et al. 2021 ; this paper). Remark. This is the first record of this species for Bihar .